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Hi Larry, my name is XXXXX XXXXX I will be helping you today.
Its harder to do, but it is typically better if you blast from the outside in. (your more likely to have better results).
Let me ask you this though, if you flip on your AC water pumps, are you getting good flow, good discharge outside of the boat?
If not, have you pulled the pump out yet and checked it with a bucket full of water?
I am only getting a dribble discharge when the A/C is running, but it is keeping it cool (suprisingly). I haven't tried the pulling the pump out. Do you suggest doing that before flushing the line? Also if I flush the line, by "blast from the outside in" where are you suggesting I do it? At one or both hose connections at the A/C, at the output of the strainer or the output of the pump?
By blast from the outside in. I mean sticking your garden hose against the discharge ports on the outside of the boat, and pushing water in. If the boat is in the water (and i'm assuming it is) that's why I had said "it's harder to do". You almost always end up getting wet.
You can do that before or after pulling the pump out, it doesn't matter as you can just disconnect the pump from the inside of th boat.
Do you know who makes the pump? Is there a manufactors name and part number on it?
No idea who makes the pump. I am not at the boat right now. It is in the water. I'll have to get back to you later on that.
Your next step would be to pull the pump out. And get a 5 gallon bucket of water. And then stick the pumps inlet hose into the bucket. And hook it up to a battery and see if it pumps or not.
If it does, then you are clogged and you will have to work on flushing the system out. But if your not pumping, then the pump is simply dead.
Now, depending on who makes the pump, some of them are serviceable, and they have rubber impellers in them that do burn out over time. Jabsco pumps are rebuildable.
But other pumps are more like bilge pump pumps, and just plastic throwaway cheapies.
So those are your next steps. Pull the pump and and see if it pumps or not. And if not, research the pump to see if it is rebuildable or not.
That should just about do it here. Obviously I am not there to do this work for you, but I do want to make sure you are happy with me and the answers I give you here before doing the rating. If you have a further question on this, by all means feel free to fire away. If not, please let me know if the ratings box gives you any troubles.
Thanks in advance, and good luck!--Jason